Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 04-01-2022 and time 01:15:35 (UTC) in region 4 km SE Randazzo (CT)

A magnitude ML 2.0 earthquake occured in region: 4 km SE Randazzo (CT), on

  • 04-01-2022 01:15:35 (UTC)
  • 04-01-2022 02:15:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8500, 14.9690 at 30 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Randazzo CT 4 10900 10900
Santa Domenica Vittoria ME 7 980 11880
Moio Alcantara ME 9 717 12597
Maletto CT 9 3920 16517
Roccella Valdemone ME 10 666 17183
Malvagna ME 11 733 17916
Bronte CT 14 19172 37088
Castiglione di Sicilia CT 14 3215 40303
Maniace CT 14 3765 44068
Linguaglossa CT 16 5403 49471
Francavilla di Sicilia ME 16 3945 53416
Floresta ME 16 485 53901
Motta Camastra ME 19 845 54746
Piedimonte Etneo CT 19 3963 58709
Milo CT 19 1087 59796
Sant'Alfio CT 19 1582 61378
Montalbano Elicona ME 20 2287 63665

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Acireale (52622 inhabitants)
40 Km N of Catania (314555 inhabitants)
64 Km SW of Messina (238439 inhabitants)
66 Km W of Reggio di Calabria (183035 inhabitants)
89 Km E of Caltanissetta (63360 inhabitants)
92 Km N of Siracusa (122291 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 2.0 2022-01-04
01:15:35		 37.8503 14.9688 30 2022-07-08
12:33:34		 Bollettino Sismico Italiano INGV 101754401
Reviewed
Rev200 		ML 1.7 2022-01-04
01:15:35		 37.876 14.969 20 2022-05-03
22:32:33		 Sala Operativa INGV_OE (Catania) 99300051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-04 01:15:35 ± 0.13
Latitude 37.8503 ± 0.0054
Longitude 14.9688 ± 0.0080
Depth (km) 30 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101754401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 746
Semi-minor axis of confidence ellipse (meter) 243
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 277
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 33
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.69697
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 101754401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-03 22:32:19

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 99300051
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2022-01-04 01:50:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2022-01-04T01:15:59.57 0.6 undecidable manual S 173 77.367 106 0.22 44
IV.HLNI.HHZ. 2022-01-04T01:15:53.73 0.1 undecidable manual S 189 56.2992 113 -0.32 87
IV.MILZ.HHZ. 2022-01-04T01:15:53.40 0.6 undecidable manual S 26 52.0035 115 0.4 43
IV.MPNC.HHZ. 2022-01-04T01:15:52.57 0.6 undecidable manual S 45 47.0196 118 0.78 37
IV.MSFR.HHZ. 2022-01-04T01:15:50.33 0.6 undecidable manual S 302 38.7279 123 0.43 45
IV.PLLN.EHZ. 2022-01-04T01:15:50.31 0.6 undecidable manual P 283 73.9704 107 1.54 25
IV.SSY.HHZ. 2022-01-04T01:15:49.15 0.1 undecidable manual P 173 77.367 106 -0.12 88
IV.ESML.HHZ. 2022-01-04T01:15:48.61 0.6 undecidable manual S 197 26.9508 134 1.19 34
IV.MCPD.HHZ. 2022-01-04T01:15:48.92 0.6 undecidable manual S 325 36.4413 125 -0.46 45
3D.OEM4.HHN. 2022-01-04T01:15:47.60 0.3 undecidable manual P 358 62.0934 111 0.56 61
IV.ECHR.HNZ. 2022-01-04T01:15:47.14 0.6 undecidable manual S 195 18.87 145 1.13 35
IV.AIO.HHZ. 2022-01-04T01:15:47.08 0.6 undecidable manual S 60 26.751 134 -0.3 48
IV.EFIU.HHZ. 2022-01-04T01:15:47.30 0.6 undecidable manual S 108 22.1556 140 0.74 40
3D.OEM9.HNE. 2022-01-04T01:15:47.16 0.3 undecidable manual P 2 59.6958 112 0.47 63
IV.MUCR.HHZ. 2022-01-04T01:15:46.18 0.6 undecidable manual S 339 22.9548 139 -0.5 45
IV.EMFO.HHZ. 2022-01-04T01:15:46.39 0.6 undecidable manual S 140 16.5723 148 0.71 42
IV.EPIT.HHZ. 2022-01-04T01:15:45.10 0.6 undecidable manual S 119 8.7801 162 0.29 48
IV.EPDN.HHZ. 2022-01-04T01:15:45.14 0.6 undecidable manual S 156 10.2786 159 0.2 49
IV.ECBD.HHZ. 2022-01-04T01:15:45.78 0.6 undecidable manual S 127 12.876 155 0.56 45
IV.ESPC.HHZ. 2022-01-04T01:15:45.18 0.6 undecidable manual S 164 18.2706 146 -0.74 41
IV.ECZM.HHZ. 2022-01-04T01:15:45.44 0.6 undecidable manual S 203 14.3745 152 0.05 51
IV.EMFS.HHZ. 2022-01-04T01:15:45.41 0.6 undecidable manual S 170 14.6742 152 -0.02 50
IV.HLNI.HHZ. 2022-01-04T01:15:45.94 0.1 undecidable manual P 189 56.2992 113 -0.27 89
IV.MILZ.HHZ. 2022-01-04T01:15:45.76 0.1 positive manual P 26 52.0035 115 0.15 91
IV.ESVO.HHZ. 2022-01-04T01:15:45.05 0.6 undecidable manual S 193 8.7801 162 0.24 49
IV.MPNC.HHZ. 2022-01-04T01:15:44.88 0.1 positive manual P 45 47.0196 118 -0.03 95
IV.EPZF.HHZ. 2022-01-04T01:15:44.74 0.6 undecidable manual S 253 10.1787 160 -0.19 49
IV.EMCN.HHZ. 2022-01-04T01:15:44.63 0.6 undecidable manual S 139 8.6802 162 -0.17 50
IV.EMNR.HHZ. 2022-01-04T01:15:44.75 0.6 undecidable manual S 127 6.1938 167 0.12 50
IV.ECTS.HHZ. 2022-01-04T01:15:44.45 0.6 undecidable manual S 75 13.7751 153 -0.87 40
IV.GALF.HHZ. 2022-01-04T01:15:44.60 0.3 undecidable manual P 246 38.5281 123 0.82 59
IV.MCPD.HHZ. 2022-01-04T01:15:43.22 0.1 negative manual P 325 36.4413 125 -0.29 92
IV.MSFR.HHZ. 2022-01-04T01:15:43.92 0.1 negative manual P 302 38.7279 123 0.1 96
IV.ESML.HHZ. 2022-01-04T01:15:42.79 0.3 undecidable manual P 197 26.9508 134 0.41 69
IV.AIO.HHZ. 2022-01-04T01:15:42.16 0.1 positive manual P 60 26.751 134 -0.2 96
IV.EPOZ.HHZ. 2022-01-04T01:15:42.96 0.3 undecidable manual P 136 27.6501 133 0.5 67
IV.EVRN.HHZ. 2022-01-04T01:15:42.11 0.3 undecidable manual P 141 23.0547 139 0.13 73
IV.MUCR.HHZ. 2022-01-04T01:15:41.57 0.1 negative manual P 339 22.9548 139 -0.39 93
IV.EMFS.HHZ. 2022-01-04T01:15:41.24 0.3 undecidable manual P 170 14.6742 152 0 76
IV.EFIU.HHZ. 2022-01-04T01:15:41.59 0.3 undecidable manual P 108 22.1556 140 -0.3 71
IV.ECHR.HNZ. 2022-01-04T01:15:41.90 0.3 undecidable manual P 195 18.87 145 0.33 71
IV.EPDN.HHZ. 2022-01-04T01:15:41.16 0.3 undecidable manual P 156 10.2786 159 0.21 74
IV.EMPL.HHZ. 2022-01-04T01:15:41.84 0.3 undecidable manual P 180 18.9699 145 0.25 72
IV.ESCV.HHZ. 2022-01-04T01:15:41.29 0.3 undecidable manual P 230 17.6712 147 -0.18 73
IV.ESLN.HHZ. 2022-01-04T01:15:41.15 0.3 undecidable manual P 178 17.3715 147 -0.3 71
IV.ESAL.HHZ. 2022-01-04T01:15:41.48 0.3 undecidable manual P 126 17.9709 146 -0.01 76
IV.ECTS.HHZ. 2022-01-04T01:15:40.77 0.1 undecidable manual P 75 13.7751 153 -0.4 94
IV.ECBD.HHZ. 2022-01-04T01:15:40.91 0.1 negative manual P 127 12.876 155 -0.2 98
IV.EMFO.HHZ. 2022-01-04T01:15:40.64 0.3 undecidable manual P 140 16.5723 148 -0.74 62
IV.ECNE.HHZ. 2022-01-04T01:15:40.94 0.6 undecidable manual P 163 9.879 160 0.01 51
IV.EPIT.HHZ. 2022-01-04T01:15:40.74 0.1 negative manual P 119 8.7801 162 -0.14 100
IV.ESVO.HHZ. 2022-01-04T01:15:40.94 0.3 undecidable manual P 193 8.7801 162 0.06 76
IV.EMCN.HHZ. 2022-01-04T01:15:40.69 0.1 negative manual P 139 8.6802 162 -0.18 99
IV.EPZF.HHZ. 2022-01-04T01:15:40.63 0.1 undecidable manual P 253 10.1787 160 -0.32 95
IV.EMNR.HHZ. 2022-01-04T01:15:40.59 0.1 undecidable manual P 127 6.1938 167 -0.18 99
IV.ESPC.HHZ. 2022-01-04T01:15:40.95 0.3 undecidable manual P 164 18.2706 146 -0.57 66
IV.ECZM.HHZ. 2022-01-04T01:15:40.55 0.6 undecidable manual P 203 14.3745 152 -0.66 43
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:2.4 0.0012330000000000002 1.62 AML other m 2022-01-04T01:15:44.13
IV.EPZF.HHN. ML:2.1 0.0005708785000000001 0.24 AML other m 2022-01-04T01:15:45.24
IV.EPIT.HHE. ML:2.4 0.00112902455 0.32 AML other m 2022-01-04T01:15:45.46
IV.EPIT.HHN. ML:2.4 0.0011510506999999998 0.48 AML other m 2022-01-04T01:15:45.61
IV.MUCR.HHN. ML:2.0 0.0003644901 0.26 AML other m 2022-01-04T01:15:46.50
IV.MUCR.HHE. ML:2.3 0.00078133325 0.3 AML other m 2022-01-04T01:15:46.52
IV.ESCV.HHE. ML:2.0 0.00044745999999999995 0.2 AML other m 2022-01-04T01:15:47.07
IV.ESCV.HHN. ML:2.3 0.0008652063 0.52 AML other m 2022-01-04T01:15:47.09
IV.AIO.HHE. ML:1.9 0.00028364125 0.22 AML other m 2022-01-04T01:15:47.20
IV.AIO.HHN. ML:1.9 0.00030967315 0.4 AML other m 2022-01-04T01:15:47.23
IV.EFIU.HHE. ML:1.8 0.00024241475000000003 0.52 AML other m 2022-01-04T01:15:47.55
IV.ESAL.HHE. ML:2.2 0.0006849752 0.46 AML other m 2022-01-04T01:15:47.32
IV.MCPD.HHE. ML:1.4 0.00007116222 0.84 AML other m 2022-01-04T01:15:49.49
IV.MCPD.HHN. ML:1.6 0.00011412525000000001 1.02 AML other m 2022-01-04T01:15:50.01
IV.MSFR.HHE. ML:1.4 0.000075230825 0.24 AML other m 2022-01-04T01:15:50.60
IV.MSFR.HHN. ML:1.4 0.00006487205 0.34 AML other m 2022-01-04T01:15:51.07
IV.MPNC.HHE. ML:1.8 0.00015159565 0.54 AML other m 2022-01-04T01:15:52.92
IV.MPNC.HHN. ML:1.7 0.00012217559 0.22 AML other m 2022-01-04T01:15:52.96
IV.MILZ.HHE. ML:2.0 0.0002005118 0.26 AML other m 2022-01-04T01:15:53.89
IV.MILZ.HHN. ML:2.0 0.00018735374999999998 0.38 AML other m 2022-01-04T01:15:53.71
IV.HLNI.HHN. ML:2.2 0.00029333129999999997 0.18 AML other m 2022-01-04T01:15:54.06
IV.HLNI.HHE. ML:2.1 0.00025130925000000005 0.14 AML other m 2022-01-04T01:15:54.08
IV.SSY.HHE. ML:2.5 0.00042920895000000004 0.16 AML other m 2022-01-04T01:15:59.64
IV.SSY.HNN. ML:2.1 0.00017434586999999998 0.3096 AML other m 2022-01-04T01:15:59.89
IV.SSY.HNE. ML:1.9 0.000114440155 0.5704 AML other m 2022-01-04T01:15:59.81
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download